Compound for protecting and indurating porous materials.



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" ALFnED wow, Or PARIS, rumor ernc-rrrenrron forming m of Letter iatent No. 692,961, dated February-11, 1 90s.

, 7 Application filed August 15, 1951. Berial No. 72,281. (No specimens.)

To all whom it may concern:

Be it known that I, ALFRED WOLF, manufacturer, a citizen of the Republic of France, residing at 33 Rue Amelot, Paris, Seine, in 5 the Republic of France, have invented certain new and useful Improvements in Compounds for Protecting and Indurating Porous Materials, of which the following is a specification.

The object of this invention is a new product of manufacture to be used for hardening, agglomerating, coating, or decorating different porous materials and manufactured articles.

1 Myimproved compound consists of the following ingredients, combined in about the proportions: common rosin, five hundred grams; stearin, five hundred grams bitumen a complete solution and suitably stirred toproduce a homogeneous mixing of composition. into and cooled in any mold.

o The composition may be used in melted or liquid form as a bath or a coating, the articles to be treated being previously heated, as; gradual cooling is very desirable for good The hardening is obtained.

work and result. by immersing or dipping the articles in the bath for a time, generally five to thirty minutes, depending on the nature, thickness, 85c. oi? the article as well as the degree of hardening desired. .16 the articles are dipped in the 4.0 bath a sufficient time, the penetration is as The solution thus prepared is poured deep as may be desired and the whole porous material may be penetrated by the compound. The articles are then wiped with an absorbent cloth and dried in the air. If thearticle is not of convenient size, it may be operated frictionally'to bring it into handy dimensions or proceeding by spraying or coating with a brush, sponge, or the like. The article is preferably treated and maintained at a suitable temperature to obtain a quick and complete absorption of the coating. The articles worked upon with the composition, as stated hereinabove, are capable of receiving any sort of colors and decoration.

It is obvious that the appliances are the most varied,,and this said composition may" be used for every product and material which can receive it.

Having now particularly described'and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is- 1. Acompound for penetrating, hardening and protecting porous materials which consists of 'rosin and stearin combined in about equal parts by weight.

2. Acompound for penetrating, hardening and protecting porous materials which convsists of rosin and stearin combined in about equal parts "by weig'm wlth a little addition of b tum beeeoin. dlviereesote in about the proportions stated. 7

In Witness whereof Iliave hereuntosigned :my name, this 2d day of August, 1901, in the presence of two subscribing witnesses.

ALFRED WOLF.

Witn esses: VroTo-R Du MARENDOWSKI,

Peon FoURNoL. 

